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authorUlrich Drepper <drepper@redhat.com>2001-04-04 00:01:02 +0000
committerUlrich Drepper <drepper@redhat.com>2001-04-04 00:01:02 +0000
commitc891b2df087e0219319785c29d3af6042e4ac94f (patch)
tree35f252e14d0024b991068214f533f738d23bdab7 /misc/dirname.c
parentf114375059d2f3ee90aaeea242120b3dda84787b (diff)
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Update.
2001-04-03 Ulrich Drepper <drepper@redhat.com> * misc/dirname.c (dirname): Handle multiple slashes correctly. 2001-04-03 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/s390/s390-64/initfini.c: Fix __gmon_start__ GOT access. 2001-04-03 Martin Schwidefsky <schwidefsky@de.ibm.com> * sysdeps/s390/s390-32/bcopy.S: Optimize for speed. * sysdeps/s390/s390-64/bcopy.S: Likewise. * sysdeps/s390/s390-32/mempcy.S: Likewise. * sysdeps/s390/s390-64/memcpy.S: Likewise. 2001-04-02 Bruno Haible <haible@clisp.cons.org> * manual/message.texi (Advanced gettext functions): More specific syntax in the plural formula examples. 2001-04-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com> * sysdeps/powerpc/atomicity.h: Silence warnings. * sysdeps/powerpc/dl-machine.h: Likewise. * sysdeps/powerpc/register-dump.h: Likewise. * sysdeps/powerpc/fpu/s_lrint.c: Likewise. 2001-04-02 Andreas Jaeger <aj@suse.de> * misc/tst-dirname.c (main): Add more tests, derived from a bug report by Michael Kerrisk <mtk16@ext.canterbury.ac.nz>. 2001-04-01 Andreas Jaeger <aj@suse.de> * debug/xtrace.sh (pcprofileso): Use SLIBDIR since libpcprofile.so is installed there. * malloc/memusage.sh (memusageso): Likewise for libmemusage.so. 2001-04-01 H.J. Lu <hjl@gnu.org> * posix/annexc.c (macrofile): Renamed from TMPFILE and set to tmpnam (NULL). * stdlib/isomac.c (macrofile): Likewise. 2001-03-30 Thorsten Kukuk <kukuk@suse.de> * inet/rcmd.c: Allow AF_UNSPEC as parameter. * nis/ypclnt.c (yp_all): Print error message only at last try, check for protocoll error only if we don't have a network error.
Diffstat (limited to 'misc/dirname.c')
-rw-r--r--misc/dirname.c38
1 files changed, 31 insertions, 7 deletions
diff --git a/misc/dirname.c b/misc/dirname.c
index 8be25e51b8..b837404975 100644
--- a/misc/dirname.c
+++ b/misc/dirname.c
@@ -1,5 +1,5 @@
/* dirname - return directory part of PATH.
- Copyright (C) 1996, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1996, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996.
@@ -32,16 +32,40 @@ dirname (char *path)
last_slash = path != NULL ? strrchr (path, '/') : NULL;
if (last_slash != NULL && last_slash != path && last_slash[1] == '\0')
- /* The '/' is the last character, we have to look further. */
- last_slash = __memrchr (path, '/', last_slash - path);
+ {
+ /* Determine whether all remaining characters are slashes. */
+ char *runp;
+
+ for (runp = last_slash; runp != path; --runp)
+ if (runp[-1] != '/')
+ break;
+
+ /* The '/' is the last character, we have to look further. */
+ if (runp != path)
+ last_slash = __memrchr (path, '/', runp - path);
+ }
if (last_slash != NULL)
{
+ /* Determine whether all remaining characters are slashes. */
+ char *runp;
+
+ for (runp = last_slash; runp != path; --runp)
+ if (runp[-1] != '/')
+ break;
+
/* Terminate the path. */
- if (last_slash == path)
- /* The last slash is the first character in the string. We have to
- return "/". */
- ++last_slash;
+ if (runp == path)
+ {
+ /* The last slash is the first character in the string. We have to
+ return "/". As a special case we have to return "//" if there
+ are exactly two slashes at the beginning of the string. See
+ XBD 4.10 Path Name Resolution for more information. */
+ if (last_slash == path + 1)
+ ++last_slash;
+ else
+ last_slash = path + 1;
+ }
last_slash[0] = '\0';
}